30x20x500mm carbon fiber octagonal tube 1.Introduction These 3K Carbon Fiber Tubes Carbon are made of pure carbon fiber with beautiful twill or plain weave; Available in different colors and sizes( usually Black color); Customized specs are accepted, like Outer Diameter : 6mm, 8mm,10mm,12mm,14mm,16mm, 20mm, 22mm, 25mm, 30mm......350mm; Thickness: 1mm, 1.5mm, 2 mm,2.5mm, 3mm.....16mm ;any size can do for you . 2.Specifications 1) High temperature resistance carbon fiber tubes:100%carbon fiber ; 2) Light & high strength; 3) Good corrosion resistance; Besides carbon fiber tube, we also can support you with Full Carbon Fiber Sheet, Carbon Glass Sheet, Higt-strength Carbon Glass Tubes and Carbon Mixed Glass Tube. Product picture Specification in common use 23mm*25mm*1000mm 20mm*22mm*1000mm…